m-Cresol Purple CAS: 2303-01-7
MF: C21H18O5S
MW: 382.43
A pH indicator dye.

m-Cresol Purple (CAS 2303-01-7)

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Alternate Names: m-Cresolsulfonphthalein
Application: m-Cresol Purple is a pH indicator dye
CAS Number: 2303-01-7
Molecular Weight: 382.43
Molecular Formula: C21H18O5S
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data (including water content).
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m-Cresol Purple is a pH indicator dye used primarily in spectrophotometric pH measurements. m-Cresol purple is acidic and hydrophobic. The useful pH ranges are 1.2 - 2.8 (red to yellow) and 7.4 - 9.0 (yellow to violet).

Physical State :
Solid
Solubility :
Soluble in water, alcohol (slightly), and sodium hydroxide soln..
Storage :
Store at room temperature
Melting Point :
250-300° C
Boiling Point :
585.8° C (Predicted)
Density :
~1.4 g/cm3 (Predicted)
Refractive Index :
n20D 1.65 (Predicted)
pK Values :
pKa: -0.9 (Predicted)
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
WGK Germany :
3
PubChem CID :
5942002
Merck Index :
14: 2577
MDL Number :
MFCD00005871
EC Number :
218-960-6
Beilstein Registry :
350314
SMILES :
CC\\1=CC(=O)C=C/C1=C(/C2=C(C=C(C=C2)O)C)\\C3=CC=CC=C3S(=O)(=O)O

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Certificate of Analysis

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m-Cresol Purple (CAS 2303-01-7) Product Citations

See how others have used m-Cresol Purple (CAS 2303-01-7). Click on the entry to view the PubMed entry .

Citations 1 to 1 of 1 total

PMID: # 22868379  Ramstrand, N. et al. 2013. Prosthet Orthot Int. 37: 108-112.

Citations 1 to 1 of 1 total
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